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Dr. János Kovács

Department of Geology

& Meteorology

University of Pécs, Hungary

Joint affiliation:

Environmental Analytical & Geoanalytical Research Group

Contact: +3672503600 ext. 24245, 29150

Biography

Habilitation (University of Pécs, Hungary) 2014

PhD (University of Pécs, Hungary) 2004

MSc (Janus Pannonius University, Pécs, Hungary) 1998

1999 doctoral studies, University of Wolverhampton, UK

2000-2001 doctoral studies, Universidade do Algarve, CIMA, Portugal

2002-2004 advanced studies in geology, Eötvös University, Budapest, Hungary

2004-2011 assistant professor of geology, University of Pécs

2011-2012 post-doctoral fellow, Institute of Applied Geology (BOKU), Vienna, Austria

2012-2014 assistant professor of geology (University of Pécs) and researcher (Szentágothai RC)

2015-recent associate professor of geology (University of Pécs) and researcher (Szentágothai RC)

Research interests

Working on Late Miocene-Quaternary sedimentology, paleontology and stratigraphy mostly in Central Europe.

  • Paleosols
  • Siliciclastic sedimentology
  • Chemical weathering
  • LT geochemistry
  • Stable isotope geochemistry
  • Pliocene-Quaternary megafauna
  • Geochemical proxies in paleoclimatology

Current research opportunities

  1. DANUBE LOESS: a geo-scientific network on palaeoclimatic research (U. Hambach, S. Markovic, G. Újvári, Gy. Varga)
  2. Plio/Pleistocene paleonvironmental reconstruction, mammal teeth stable isotopes (T. Vennemann, L. Kocsis)
  3. Plio/Pleistocene vertebrate paleontology (F. Lacombat)
  4. Research Group of Quaternary Environmental Changes and Surface Processes (G. Újvári, P.I.)

Commette and Society Service

1. Member of

Hungarian Geographical Society (MFT)

Hungarian Geological Society (MhFT)

International Association of Geomorphologists (IAG)

European Geosciences Union (EGU)

Geochemical Society (GS)

Past Global Changes (PAGES)

International Association of Sedimentologists (IAS)

2. Editorial - Open Geosciences (editor of sedimentology) - read on-line

3. Peer Review - Reviewer for Quaternary Int., Geology, Geomorphology, Geological Quarterly, Geologica Carpathica, CATENA, Palaeo3, Archaeometry, e- Life



Selected publication (Full list)

Journal papers: academic

2019

Varga, Gy., Újvári, G., Kovács, J. (2019) Interpretation of sedimentary (sub)populations extracted from grain size distributions of Central European loess-paleosol series. Quaternary International 502, 60-70.

2018

Słowik, M., Dezső, J., Marciniak, A., Tóth, G. & Kovács, J. (2018) Evolution of river planforms downstream of dams. Effect of dam construction or earlier human-induced changes? Earth Surface Processes and Landforms 43, 2045–2063.

Rübsam, W., Müller, T., Kovács J., Pálfy, J. & Schwark, L. (2018) Environmental response to the early Toarcian carbon cycle and climate perturbations in the northeastern part of the West-Tethys shelf. Gondwana Research 59, 144-158.

Varga, Gy., Kovács, J., Szalai, Z., Cserháti, Cs. & Újvári, G. (2018) Granulometric characterization of paleosols in loess series by automated static image analysis. Sedimentary Geology 370, 1-14.

Körösi, L., Bognár, B., Horváth, M., Schneider, G., Kovács, J., Scarpellini, A., Castelli, A., Colombo, M. & Prato, M. (2018) Hydrothermal evolution of PF-co-doped TiO2 nanoparticles and their antibacterial activity against carbapenem-resistant Klebsiella pneumoniae. Applied Catalysis B: Environmental 231, 115-122.

2017

Újvári, G., Stevens, T., Molnár, M., Demény, A., Lambert, F., Varga, Gy., Jull, A.J.T., Páll-Gergely, B., Buylaert, J.-P. and Kovács, J. (2017) Coupled European and Greenland last glacial dust activity driven by North Atlantic climate. PNAS 114, 10632–10638. doi/10.1073/pnas.1712651114.

Szabó, P., Kocsis, L., Vennemann, T., Pandolfi, L., Kovács, J., Martinetto, E. & Demény, A. (2017) Pliocene-Early Pleistocene climatic trends in the Italian Peninsula based on stable oxygen and carbon isotope composition of rhinoceros and gomphothere tooth enamel. Quaternary Science Reviews 157, 52–65.

Polgári, M., Szaniszló, B., Horiuchi. K,(...........), Kovács, J. & Dódony, I. (2017) Characterization and 10Be content of iron carbonate concretions for genetic aspects - Weathering, desert varnish or burning: rim effects in iron carbonate concretions. Journal of Environmental Radioactivity 173, 58–69.

2016

Varga, Gy., Cserháti, Cs., Kovács, J. & Szalai, Z. (2016) Saharan dust deposition in the Carpathian Basin and its possible effects on interglacial soil formation. Aeolian Research 22, 1–12.

Újvári, G., Kok, J.F., Varga, Gy. & Kovács, J. (2016) The physics of wind-blown loess: implications for grain size proxy interpretations in Quaternary paleoclimate studies. Earth-Science Reviews 154, 247–278.

Körösi, L., Dömötör, D., Scarpellini, A., Prato, M., Kovács, J., Kovács, T. & Papp, S. (2016) H2O2-assisted photocatalysis on flower-like rutile TiO2 nanostructures: Rapid dye degradation and inactivation of bacteria. Applied Surface Science 365, 171–179.

2015

Újvári, G., Stevens, T., Svensson, A., Klötzli, U., Manning, C., Németh, T., Kovács, J., Sweeney, M., Gocke, M., Wiesenberg, G., Markovic S., & Zech M. (2015) Two possible source regions for Central Greenland last glacial dust. Geophysical Research Letters 42, 10399–10408.

Kovács, J., Szabó, P., Kocsis, L., Vennemann, T., Sabol, M., Gasparik, M. & Virág, A. (2015) Pliocene and Early Pleistocene paleoenvironmental conditions in the Pannonian Basin (Hungary, Slovakia): stable isotope analyses of fossil proboscidean and perissodactyl teeth. Palaeogeography, Palaeoclimatology, Palaeoecology 440, 455–466.

Markovic, S.B., Stevens, T., Kukla, G.J.,(...........), Kovács, J. & Svircev, Z. (2015) Danube loess stratigraphy – Towards a pan-European loess stratigraphic model. Earth-Science Reviews 148, 228–258.

Körösi, L., Prato, M., Scarpellini, A., Kovács, J., Meynen, V. & Papp, S. (2015) Hydrothermal synthesis, structure and photocatalytic activity of PF-co- doped TiO2. Materials Science in Semiconductor Processing 30, 442–450.

Kovács, J., Sajó, I., Márton, Zs., Jáger, V., Hegedüs, T., Berecz, T., Tóth,T., Gyenizse, P. & Podobni, A. (2015) Csátalja, the largest H4–5 chondrite from Hungary. Planetary and Space Science 105, 94–100.

Sajó, I., Kovács, J., Fitzsimmons, K.E., Jáger, V., Lengyel, Gy., Viola, B., Talamo, S. & Hublin, J.-J. (2015) Core-shell processing of natural pigment: Upper Palaeolithic red ochre from Lovas, Hungary. PLoS ONE 10(7): e0131762. doi:10.1371/journal.pone.0131762

2014

Újvári, G., Molnár, M., Novotny, Á., Páll-Gergely, B., Kovács, J., Várhegyi, A. (2014) AMS 14C and OSL/IRSL dating of the Dunaszekcső loess sequence (Hungary): chronology for 20 to 150 ka and implications for establishing reliable age-depth models for the last 40 ka. Quaternary Science Reviews106, 140–154.

Varga, Gy., Cserháti, Cs., Kovács, J., Szeberényi, J. & Bradák, B. (2014) Unusual Saharan dust events in the Carpathian Basin (Central Europe) in 2013 and early 2014. Weather 69, 309–313.

Varga, Gy., Újvári, G., Kovács, J. (2014) Spatiotemporal patterns of Saharan dust outbreaks in the Mediterranean Basin. Aeolian Research 15, 151– 160.

Fábián, Sz. Á., Kovács, J., Varga, G., Sipos, Gy., Horváth, Z., Thamó-Bozsó, E. & Tóth, G. (2014) Distribution of relict permafrost features in Pannonian Basin (Hungary). Boreas 43, 722–732.

Újvári, G., Varga, A., Raucsik, B., Kovács, J. (2014) The Paks loess-paleosol sequence: a record of chemical weathering and provenance for the last 800 ka in the mid-Carpathian Basin. Quaternary International 319, 22–37.

2013

Katona, L.T., Kovács, J., Magyar, I., Sötő-Szentai, M. & Berta, T. (2013) A new occurrence of classic “Árpád-type” mollusk fauna from the Upper Miocene of Kozármisleny, southern Hungary. Geologia Croatica 66, 111–118.

Kovács, J., Raucsik, B., Varga, A., Újvári, G., Varga, Gy. & Ottner, F. (2013) Clay Mineralogy of Red Clay Deposits from the Central Carpathian Basin (Hungary): Implications for Plio/Pleistocene Chemical Weathering and Paleoclimate. Turkish Journal of Earth Sciences 22, 414–426.

Varga, Gy., Kovács, J., Újvári, G., (2013) Analysis of Saharan dust intrusions into the Carpathian Basin (Central Europe) over the period of 1979-2011.Global and Planetary Change 100, 333–342.

2012

Varga, Gy., Kovács J. & Újvári, G. (2012) Late Pleistocene variations of the background aeolian dust concentration in the Carpathian Basin: an estimate using decomposition of grain-size distribution curves of loess deposits. Netherlands Journal of Geosciences - Geologie en Mijnbouw 91,159–171.

Kovács J., Moravcova M., Ujvari G., Pinter A.G. (2012) Reconstructing the paleoenvironment of East Central Europe in the Late Pleistocene using the oxygen and carbon isotopic signal of tooth in large mammal remains. Quaternary International 276-277, 145–154.

Újvári, G., Varga, A., Ramos, F.C., Kovács J., Németh, T. & Stevens, T. (2012) Evaluating the use of clay mineralogy, Sr-Nd isotopes and zircon U-Pb ages in tracking dust provenance: an example from loess of the Carpathian Basin. Chemical Geology 304–305, 83–96.

Kovács J. (2012) Radiocarbon chronology of Late Pleistocene large mammal faunas from the Pannonian basin (Hungary). Bulletin of Geosciences87, 13–19.

Katona, L., Kovács J., Kordos, L., Szappanos, B. & Linkai, I. (2012) The Csajág mammoths (Mammuthus primigenius) – Late Pleniglacial finds from Hungary and their chronological significance. Quaternary International 255, 130–138.

2011-2007

Kovács J., Fábián, Sz.Á., Varga, G., Újvári, G., Varga, Gy. & Dezső, J. (2011) Plio-Pleistocene red clay deposits in the Pannonian basin: A review.Quaternary International 240, 35–43.

Kereszturi, G., Németh, K., Csillag, G., Balogh, K. & Kovács J.(2011) The role of external environmental factors in changing eruption styles of monogenetic volcanoes in a Mio/Pleistocene continental volcanic field in western Hungary. Journal of Volcanology and Geothermal Research201, 227–240.

Újvári, G., Kovács J., Varga, Gy., Raucsik, B. & Markovic, S.B., 2010. Dust flux estimates for the Last Glacial Period in East Central Europe based on terrestrial records of loess deposits: a review. Quaternary Science Reviews 29, 3157-3166.

Konrád, Gy., Kovács J., Halász, A., Sebe, K. & Pálffy, H. (2010) Late Quaternary woolly mammoth (Mammuthus primigenius Blum.) remains from southern Transdanubia, Hungary. Comptes Rendus Palevol 9, 47–54.

Kovács J. (2008) Grain-size analysis of the Neogene red clay formation in the Pannonian Basin. International Journal of Earth Sciences 97, 171– 178.

Kovács J. (2007) Chemical weathering intensity of the Late Cenozoic red clay deposits in the Carpathian Basin. Geochemistry International 45, 1056–1063.

Books:

Kovács J. & Czigány Sz. (2017) Soils and weathering In: Richardson, D., Liu, W. & Pratt G.(Eds.) The International Encyclopedia of Geography:People, the Earth, Environment, and Technology. Wiley-AAG, Online ISBN: 978-1-11878-635-2

Kovács J. (2015) 2 entries In: Hargitai, H & Kereszturi, Á. (Eds.) Encyclopedia of Planetary Landforms. Springer (Encyclopedia of Earth Sciences Series), “Sand-wedge polygon”and “Composite-wedge polygon” (with Hargitai, H.). ISBN: 978-1-4614-3133-6

Kovács J. (2013) 3 entries In: Bobrowsky, P. (Ed.) Encyclopedia of Natural Hazards. Springer (Encyclopedia of Earth Sciences Series), “Flood deposits”, “Loess” (with Varga, Gy.) and “Quick sand”. ISBN: 978-90-481-8699-0

Fábián, S.Á., Kovács J, Tarnocai, C. & Varga, G. (2009) Similarities Between the Recent Permafrost in North-western Canada and the Pleistocene relict cryogenic forms in Central Europe (Hungary). In: Krugger M.I. & Stern H.P. (eds.) New Permafrost and Glacier Research. Nova Science Publishers, New York, pp. 107–129. ISBN: 978-1-60692-616-1

Supervises

Zsófia Busa MSc, (2017-recent) Hydrogeochemical reactive transport modeling

Péter Szabó MSc, (2012-recent) Stable isotopes of Late Pliocene large mammals

András Podobni MSc, (2013-2016) Biogeochemistry and biomarkers

György Varga PhD, (2007-2010) Aeolian dust deposits, Pliocene-Quaternary of Central Europe

Teaching areas

  • Introductory Geology
  • Sedimentology
  • Analytical techniques in geology

Hobby: photography (see my photos at 500px)

If you are bored... stay in the HOLOCENE

For my students: MIRACLES